18888500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{1021}}^1$

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 42408912

約数和(自身を除く): 23520412

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 125, 148, 185, 250, 370, 500, 740, 925, 1021, 1850, 2042, 3700, 4084, 4625, 5105, 9250, 10210, 18500, 20420, 25525, 37777, 51050, 75554, 102100, 127625, 151108, 188885, 255250, 377770, 510500, 755540, 944425, 1888850, 3777700, 4722125, 9444250, 18888500]

約数ペア:

[(1, 18888500), (2, 9444250), (4, 4722125), (5, 3777700), (10, 1888850), (20, 944425), (25, 755540), (37, 510500), (50, 377770), (74, 255250), (100, 188885), (125, 151108), (148, 127625), (185, 102100), (250, 75554), (370, 51050), (500, 37777), (740, 25525), (925, 20420), (1021, 18500), (1850, 10210), (2042, 9250), (3700, 5105), (4084, 4625)]